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Is MAX97220A an updated version of MAX9722A?

Category: Datasheet/Specs
Product Number: MAX97220A

MAX97220A–MAX97220E datasheet says "Footprint Compatible with the MAX9722" and describes how to make a board compatible with both in "Figure 4. MAX97220A vs. MAX9722 PCB Layout".

Does that imply the MAX97220A is a newer, better version of the MAX9722A?  What's improved?

Our factory substituted the MAX9722A and I want to know what to test to confirm that it's good enough.